Top NET Jobs in Belfast

Develop and deliver complex full-stack .NET solutions across the software development lifecycle in a fintech SaaS environment. Responsibilities include architecture, implementation, testing, deployment, requirements refinement, planning, bug remediation, and feature ownership. The role also emphasizes AI-enabled engineering through coding assistants, custom agents, skills, harnesses, prompts, evaluations, and guardrails. Candidates will collaborate with senior engineers and support teams while contributing to scalable, high-quality software.

Develop and maintain legacy and modern .NET applications using ASP.NET Web Forms, MVC Core, SQL Server, Azure DevOps, TFS, Windows Services, Hangfire, and Microsoft Access. Responsibilities include coding, troubleshooting, deployments, pipeline management, performance optimization, production support, monitoring with Application Insights, code reviews, Agile delivery, and technical documentation.

Develop and deploy full-stack .NET solutions across the SDLC in a fintech SaaS environment. Responsibilities include architecture, feature development, requirements refinement, testing, deployment, bug remediation, and progress management. The role emphasizes AI-enabled engineering through custom agents, skills, harnesses, prompts, and evaluation practices, while collaborating with senior engineers and technical support.

Develop and maintain scalable .NET backend services, REST and GraphQL APIs, and microservices. Design SQL Server schemas, optimize queries, implement Entity Framework Core data access, and build secure authentication flows. Collaborate in Agile teams with product, frontend, and QA stakeholders. Write automated tests, apply Clean Architecture and DDD, resolve performance and production issues, maintain API documentation, and support Azure DevOps CI/CD, Docker, monitoring, and structured logging.

Build and own backend services and APIs using C# and .NET, integrate third-party systems, make technical decisions, and promote scalable, maintainable code. Mentor junior engineers through reviews and pairing, champion clean code and testing, and contribute to Agile planning and technical direction. Cloud experience and infrastructure-as-code knowledge support delivery across client projects.

Leads complex client software engagements through hands-on development, architecture, solution design, delivery management, and technical decision-making. Manages and mentors engineers, establishes engineering standards, troubleshoots complex issues, and oversees scope, estimation, planning, risks, dependencies, and outcomes. Builds trusted client relationships, translates business needs into technical plans, manages expectations, and identifies follow-on opportunities. The role also contributes to recruitment, pre-sales, consultancy practices, and technology thought leadership.

Design, develop, modernize, test, deploy, and support full-stack enterprise applications using C# and .NET. Build backend services and frontend applications, troubleshoot complex issues, participate in architecture and code reviews, and champion clean code, automated testing, reliability, security, and AI-assisted development. Collaborate with product, QA, UX, and other stakeholders while mentoring junior engineers, documenting systems, and contributing to sprint planning and continuous improvement.

Part-time marketing role supporting industry, competitor, prospect, and market research; AI-generated content review; source verification; SEO and AI-search research; campaign and sales materials; and development of repeatable AI-assisted marketing processes. The role requires strong writing, analytical thinking, fact-checking, attention to detail, independent work, and curiosity about technology, AI, business, and marketing. It is a 12-week, remote UK-based paid program requiring 15–20 hours weekly.

Provides senior technical leadership and delivery for complex .NET and cloud-native projects. Translates business requirements into technical designs, develops distributed and microservice solutions on Azure or AWS, writes integration and end-to-end tests, and maintains code quality and security standards. Collaborates with technical and non-technical stakeholders, contributes to architecture and design reviews, resolves technical challenges, and supports knowledge sharing and team development.

Leads end-to-end modernization from a monolith to microservices, including legacy analysis, architecture, estimation, data migration, deployment, and production support. Guides .NET services, databases, messaging, containerization, and frontend integrations. Acts as the technical escalation point for complex issues while improving Jira tracking, estimation accuracy, QA collaboration, release predictability, and engineering processes. Manages and develops the team through one-on-ones, performance reviews, feedback, and career-focused objectives.

Lead the architecture and development of cloud-based software solutions using the Microsoft Azure stack and .NET technologies. Build and guide cross-functional Agile squads, oversee technical decisions, conduct code reviews, and ensure maintainable, extensible outcomes. The role involves approximately 70% technical development and 30% management, collaboration with distributed engineering teams, API and RESTful service development, and applying Scrum and DevSecOps practices.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.

The Senior Software Engineer will design, develop, and maintain applications using .NET and AWS, lead modernization efforts, adopt AI practices, and collaborate on technical solutions while ensuring engineering quality.